package com.fan.shop.views.bean;

import java.io.IOException;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.bean.RequestScoped;

import org.apache.log4j.Logger;
import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.ser.FilterProvider;
import org.codehaus.jackson.map.ser.impl.SimpleBeanPropertyFilter;
import org.codehaus.jackson.map.ser.impl.SimpleFilterProvider;

import com.fan.shop.global.JacksonMapper;
import com.fan.shop.model.userclass.StockUserClass;
import com.fan.shop.services.ItemService;
import com.fan.shop.services.StockService;
import com.fan.shop.services.StoreService;

@ManagedBean(name = "stocksBean")
@RequestScoped
public class StocksBean extends ShopBean {

	private static Logger logger = Logger.getLogger(StocksBean.class);

	@ManagedProperty(value = "#{itemService}")
	private ItemService itemService;

	@ManagedProperty(value = "#{storeService}")
	private StoreService storeService;

	@ManagedProperty(value = "#{stockService}")
	private StockService stockService;

	private String tableData;
	private int columnsSize;
	private List<String> columnNames;

	private String selectedValue;
	private String selectedStore;

	public static Logger getLogger() {
		return logger;
	}

	public static void setLogger(Logger logger) {
		StocksBean.logger = logger;
	}

	public ItemService getItemService() {
		return itemService;
	}

	public void setItemService(ItemService itemService) {
		this.itemService = itemService;
	}

	public StoreService getStoreService() {
		return storeService;
	}

	public void setStoreService(StoreService storeService) {
		this.storeService = storeService;
	}

	public StockService getStockService() {
		if(stockService != null)
		{
			stockService.setStoreCode("");
		}
		return stockService;
	}

	public void setStockService(StockService stockService) {
		this.stockService = stockService;
	}

	public String getTableData() {
		ObjectMapper mapper = JacksonMapper.getInstance();

		Set<String> columnNames = new HashSet<String>();
		for (String name : stockService.getColumnNames()) {
			columnNames.add(name);

		}
		FilterProvider filters = new SimpleFilterProvider().addFilter(
				"myFilter",
				SimpleBeanPropertyFilter.filterOutAllExcept(columnNames));

		tableData = "\"aaData\": [";
		StringBuffer data = new StringBuffer();
		for (Object obj : getStockService().getList()) {
			try {
				StockUserClass stockUserClass = (StockUserClass)obj;
				String line = mapper.writer(filters).writeValueAsString(stockUserClass);
				data = data.append(line);
				

			} catch (JsonGenerationException e) {
				e.printStackTrace();
			} catch (JsonMappingException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		String tmp = data.toString().replaceAll("\\{[^,:\\{\\}]*:", "[");
		tmp = tmp.replaceAll(",[^,:\\{\\}]*:", ",");

		tableData = tableData + tmp.replace("{", "[").replace("}", "],");
		if (tableData.endsWith(",")) {
			tableData = tableData.substring(0, tableData.length() - 1);
		}

		tableData = tableData + "]";

		return tableData;
	}

	public void setTableData(String tableData) {
		this.tableData = tableData;
	}

	public int getColumnsSize() {
		columnsSize = getColumnNames().size();
		return columnsSize;
	}

	public void setColumnsSize(int columnsSize) {
		this.columnsSize = columnsSize;
	}

	public List<String> getColumnNames() {
		columnNames = stockService.getColumnNames();
		return columnNames;
	}

	public void setColumnNames(List<String> columnNames) {
		this.columnNames = columnNames;
	}

	public String getSelectedValue() {
		return selectedValue;
	}

	public void setSelectedValue(String selectedValue) {
		this.selectedValue = selectedValue;
	}

	public String getSelectedStore() {
		return selectedStore;
	}

	public void setSelectedStore(String selectedStore) {
		this.selectedStore = selectedStore;
	}
	
	
	public String openPurchaseOrder()
	{
		return "purchase_order.faces";
	}
}
